Respiratory system; differential diagnosis

Respiratory diseases encompass a wide range of conditions affecting the lungs and respiratory system. Here are some common respiratory diseases along with their signs and symptoms: 1. **Asthma**: - Wheezing - Shortness of breath - Chest tightness - Coughing, especially at night or early morning 2. **Chronic Obstructive Pulmonary Disease (COPD)**: - Shortness of breath, especially during physical activity - Chronic cough with mucus production - Wheezing - Chest tightness 3. **Pneumonia**: - Fever - Cough with mucus production - Chest pain when breathing or coughing - Shortness of breath - Fatigue - Confusion (especially in older adults) 4. **Bronchitis**: - Persistent cough - Production of thick mucus (sputum) - Chest discomfort - Fatigue - Mild...